EP0323328A1 - Tragbare elektrische Vorrichtung zur Dampferzeugung, insbesondere zum Entfernen von Wandbekleidung - Google Patents

Tragbare elektrische Vorrichtung zur Dampferzeugung, insbesondere zum Entfernen von Wandbekleidung Download PDF

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Publication number
EP0323328A1
EP0323328A1 EP88403293A EP88403293A EP0323328A1 EP 0323328 A1 EP0323328 A1 EP 0323328A1 EP 88403293 A EP88403293 A EP 88403293A EP 88403293 A EP88403293 A EP 88403293A EP 0323328 A1 EP0323328 A1 EP 0323328A1
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EP
European Patent Office
Prior art keywords
vertical
cover
box
electrodes
steam
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP88403293A
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English (en)
French (fr)
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EP0323328B1 (de
Inventor
Robert Desage
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Association pour la Recherche et le Developpement des Methodes et Processus Industriels
Original Assignee
Association pour la Recherche et le Developpement des Methodes et Processus Industriels
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Application filed by Association pour la Recherche et le Developpement des Methodes et Processus Industriels filed Critical Association pour la Recherche et le Developpement des Methodes et Processus Industriels
Priority to AT88403293T priority Critical patent/ATE93306T1/de
Publication of EP0323328A1 publication Critical patent/EP0323328A1/de
Application granted granted Critical
Publication of EP0323328B1 publication Critical patent/EP0323328B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C7/00—Paperhanging
    • B44C7/02—Machines, apparatus, tools or accessories therefor
    • B44C7/027—Machines, apparatus, tools or accessories for removing wall paper
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00—Methods of steam generation characterised by form of heating method
    • F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
    • F22B1/30—Electrode boilers

Definitions

  • the present invention relates to an electric portable device for the production of steam applied to a surface which can be used more particularly but not exclusively for the removal of wall coverings.
  • the steam produced is accompanied by water droplets which humidifies the paper too much, causing on the one hand, a delay in the rise in temperature to around 75oC and, on the other hand a tendency of the paper to tear Furthermore, these devices are relatively expensive and cannot reach a large audience.
  • porous body retention capacity to store a mass of water which is vaporized when this water is heated to the desired temperature by association of an energy source suitable for this purpose.
  • porous body These devices are mainly characterized in that the liquid mass is stored in the form impregnated in the body. porous with or without the presence of a permanent mass of liquid In the case where the liquid is heated by the passage of electric current, it is possible to obtain different profiles of vapor flow rate as a function of the density of the porous body chosen.
  • Such devices are described for example in the FR patent.
  • the object of the present invention is to remedy the drawbacks of known steam generating apparatuses by using the specific properties of the devices using a porous body for the retention of liquid to be vaporized and by adapting these devices judiciously.
  • this portable electric device for the production of steam applied to a surface usable more particularly but not exclusively for taking off wall coverings, comprising a case containing a porous body impregnated with the liquid to be vaporized and means for heating it.
  • liquid up to its vaporization temperature is characterized in that the housing is subdivided, by a partition, into two compartments, namely a closed rear compartment containing the steam generator proper, constituted by the porous body impregnated with liquid and the means for heating this liquid, and an anterior compartment forming a vaporization cavity or "vapor plate", open towards the outside, delimited by a peripheral edge which can be applied to the surface intended to receive the vapor, and in that openings are made through the partition to allow the passage of the steam produced in the compartment.
  • ent posterior to and in the anterior compartment constituting the vaporization cavity or the "vapor plate”.
  • the electro-portable device offers the advantage that its structure is particularly simple and that it includes, in an integrated manner, its reserve of liquid to be vaporized allowing it, for example, autonomy without recharging of the order of 20 mn for a light weight, the electric control, the vaporization cavity or "steam tray” and a handle for holding the device.
  • This device has a power of 1500 Watts for example and it can be equipped with a steam flow variator by switching or by an electronic circuit. It produces vapor practically free from water droplets and has excellent thermal efficiency. It works at atmospheric pressure and very quickly produces steam after about two minutes when it is cold and after about 30 seconds, hot after recharging with water
  • This device is compact for its storage and it creates low vaporization noise.
  • the temperature of a wallpaper to be peeled off is raised in half the time. It can be made of plastic and is then of a low cost price and it can thus be used by a large public in the field of DIY or crafts.
  • FIG. 1 to 3 represent an electric portable device according to the invention for the production of steam intended to be applied to a surface 1, for example for the purpose of peeling off a wall covering such as wallpaper adhering to this surface.
  • the device comprises a two-part housing which consists of a lower parallelepiped box 2 and an upper cover 3.
  • the lower box 2 comprises a horizontal bottom 4, two vertical side walls 5,6 a vertical rear wall 7 is a vertical partition 8 extending between the two side walls 5 and 6 parallel to the rear wall 7.
  • the partition 8 defines with the rear wall 7 a rear compartment 9 which is closed and, on the opposite side, a compartment front 11, which is open and which forms part of a vaporization cavity or of a "vapor plate".
  • a steam generator proper consisting of a parallelepipedal porous body 12 intended for the storage of water to be vaporized, and heating means 13 consisting of parallel horizontal electrodes in contact with the porous body 12.
  • This porous body 12 can be 160mm high, 200mm wide and 30mm thick, this body being cut from a rock fiber mat, the fiber diameters of which are mainly between about 1 micrometer and 3.5 micrometers and whose length ranges from 5mm to 15mm, for example.
  • These fibers preferably form, by assembly, laminated layers parallel to the heating electrodes, being maintained by a binder promoting the impregnation of water.
  • the porous body 12 has an original density of 75kg / m3 which, by slight compression between the heating electrodes, has a final density of 130kg / m3 for a width of 30mm.
  • the heating means 13 are constituted by twelve horizontal electrodes 13a, 13b ... 13 l which are distributed, by pairs of electrodes located at the same level , on the two large anterior and posterior vertical faces of the porous body 2. Consequently, the posterior face of the porous body 2 carries the electrodes 13a, 13b ... 13f which extend horizontally and follow each other from top to bottom in this order.
  • the electrodes are for example made of copper, and are preferably shaped so as to each have a U-shaped cross section. Each electrode is applied against the porous body by its core and the two branches of each U extend towards the outside
  • the electrodes 13a-13 l advantageously have a length such that they protrude on either side of vertical uprights 14,15 arranged on the two small vertical faces of the porous body 12, in the immediate vicinity thereof.
  • the uprights 14, 15 are secured at their upper ends to the cover 3.
  • Each of these uprights 14,15 is pierced with twelve holes in which are engaged the end portions of the horizontal electrodes 13a-13 l .
  • the distances between the electrodes are variable from bottom to top
  • the distance between the most basic electrodes 13e (or 13k) is, for example, 52mm the distance between the electrodes 13d, 13e (or 13j , 13k) is 24mm, the center distance above it is 28mm then 24mm, then 28mm between the two highest electrodes (13a, 13b), and finally 24mm between the electrodes 13k-13l and 13e -13f.
  • FIG. 5 is a circuit diagram of an electric switching arrangement 13a-13 the electrodes to operate the apparatus the steam generator at an average power of 1500 Watts for a water resistivity range of 850 ⁇ cm to 2200 ⁇ cm.
  • the electrodes 13h, 13j and 13k provided on the front side of the porous body 12 and optionally the electrode 13 are joined electrically together in a phase of the sector 16 while the electrodes 13b, 13d and 13e and optionally the electrode 13f which are disposed respectively at the same level as the previous ones on the rear face of the porous body 12, are connected to the other phase 17 of the sector, for a voltage of 220 volts.
  • the three pairs of electrodes 13b 13h, 13d 13j, 13e 13k which are located at the same level, are connected in parallel to the two phases 16,17 of the sector.
  • the front electrodes 13g, 13i are connected to each other and to a contact of a switch 18, the other contact of which is connected to phase 16, while the rear electrodes 13a and 13c are connected to each other and to a contact d 'a switch 19 whose other contact is connected to the other phase 17 of the sector.
  • the pairs of electrodes 13a 13g and 13c 13i which are located at the same level are connected in parallel, via switches 18,19, to the two phases 16,17 of the sector.
  • the cover 3 of the device is fixed to the lower box 2 by means of screws 21, with the interposition of a seal 22.
  • the cover 3 has a shape complementary to that of the box lower 2, that is to say it comprises an upper horizontal wall 23, of the same extent as the bottom 4 of the box 2, two vertical side walls 24,25 connecting to the vertical side walls 5,6 of the box 2, a vertical rear wall 26 connecting to the vertical rear wall 7 of the box 2 and a vertical partition 27 connecting to the partition 8 of the box 2 and extending between the two vertical side walls 24 and 25.
  • the partition vertical separation 27 delimits thus, in the cover 3 two compartments, namely a rear compartment 28 located above the rear compartment 9 of the box 2 and an external compartment 29 located above the front compartment 11 of the box 2, the two front compartments 11 and 29 constituting together the vaporization cavity or the "vapor plate" intended to be applied, by its peripheral edge, to the surface 1 which is to receive the vapor.
  • the vertical partition 27 of the cover 3 is crossed by tubes 31 extending horizontally and communicating the two posterior 28 and anterior 29 compartments in order to channel the vapor produced towards and into the vaporization cavity formed by the anterior compartments 11 and 29.
  • tubes 31 extending horizontally and communicating the two posterior 28 and anterior 29 compartments in order to channel the vapor produced towards and into the vaporization cavity formed by the anterior compartments 11 and 29.
  • the passages can be provided, in place of the tubes 31 or in addition to these between the two rear 9 and anterior 11 compartments of the box 2 at any height, in the partition, of so as to distribute the vapor produced as well as possible.
  • the cover 3 also includes an orifice 32 intended for loading the device with water, this orifice 32 being closed by a plug 33.
  • the lower box 2 is integral with a vertical handle 34 connected, at its upper and lower ends, to the rear wall 7 of the box 2 and in this handle 34 passes a cord 35 of electrical supply, connected to the sector, which leads, at its upper end, to a female plug 36.
  • This female plug is engaged in a male plug 37 carried by an upper extension 38 of the handle 34.
  • the female plug 36 passes through an opening having a section of the same shape as the section right of the female plug 36, which is formed in a vertical wing 39a, extending downward, behind the extension 38, of a square-shaped piece 39 of plastic.
  • This square-shaped part 39 is articulated on the cover 3 and for this purpose it is secured to a pivot 41 on which it is held by means of a screw 42.
  • the square-shaped piece 39 is secured to 'an arm lever 43 extending horizontally, along the upper part of the rear wall 26 of the cover 3, and this lever arm 43 is secured, at its end, to a cover 44 disposed above the orifice of water filling 32 closed by the plug 33 which is integral with the cover 44, below the latter.
  • This cover 44 which has a gripping tab 45, is embedded between walls 46, 47 and 48 of the cover 3 of the device so that the water is loaded in a bowl, the lower part of which is indicated at 49 on Figure 2.
  • the rear wall 26 of the cover 3 of the appliance carries sealed bushings 51, 52, 53 for the electrical connection wires connected to the electrodes of the steam generator, according to the diagram. assembly of FIG. 5, and which lead to the contacts of the switches 18, 19 which are carried by the extension 38 of the handle 34, between this extension and the rear wall 7 of the box 2.
  • the general dimensions of the device are a length of 255mm, a height of 185mm and a thickness of 65mm, including an interior width of 50mm for the housing of the water storage and vaporization device.
  • the vapor thus produced is distributed throughout the box 2 and in the interior compartment 28 of the cover 3, and this vapor escapes through the tubes 31 to reach the vaporization cavity or the "vapor tray" formed by the anterior compartments 11.29. Steam thus reaches the wallpaper to be peeled off when the appliance is applied to the wall 1.
  • Curve a corresponds to the case where the two switches 18,19 are open (relatively low steam flow)
  • curve b to the case where the switch 18 is open and the switch 19 is closed (average steam flow)
  • that curve c corresponds to the case where the two switches 18 and 19 are closed (high vapor flow rate).
  • the curve d represents the case of the use of water having a resistivity of 1000 ⁇ cm when the switches 18 and 19 are open.
  • the apparatus can be equipped with an electronic power variator making it possible to vary this power between 0 and 100%.
  • an electronic power variator making it possible to vary this power between 0 and 100%.
  • a triac is used associated with different components, a potentiometer of which provides the desired adjustment of the vapor flow rate.
  • the electrode interconnection diagram becomes as follows: in accordance with FIG. 5, the electrodes 13g, 13h, 13i, 13j, 13k are paralleled and optionally 13 l then also, those of electrodes 13a, 13b, 13c, 13d, 13e and possibly 13f, each of whose interconnections is connected to the electronic circuit.
  • this circuit has the advantage of widening the range of use of the resistivity of water.
  • Another type of electronic circuit can also be used, for example based on triac, the function of which, by the use, for example, of a zener diode, will ensure constant power despite large deviations in the resistivity of the water. used. In this case, it is possible to develop a device with two positions of steam flow corresponding, for example, to two powers: 1000 watts and 1500 watts.
  • FIG 8 is an exemplary embodiment of an electronic control device of the evaporator that can be associated with the female power plug of the device.
  • This assembly consists of a female plug 54 which can be housed in the male plug 37, an adjustment button 55, for example integral with a potentiometer for controlling the electronic circuit to vary the steam flow rate, a heat sink 56 to dissipate heat from the triac by its association therewith, an electrical supply cord 57 and a sealed assembly 58 containing the components of the circuit.
  • porous body in the exemplary embodiment of the device for storing and vaporizing water described above, a single block of porous body was used, this can be produced differently, for example, in the form of three elementary porous bodies mounted horizontally, comprising, for example, two electrodes each, these elementary porous bodies being spaced 5mm from each other.
  • porous bodies having a density of 130 kg / m3 have been used, a range of density can be used ranging between 90 kg / m3 and 180 kg / m3 with similar results for this type of apparatus. and according to the kinds of electronic control devices.
  • other kinds of porous materials can be used, for example, glass fibers, or even, for example, cellular materials.
  • the distance between the electrodes is 30mm for a voltage of 220 volts, this can be between 25mm and 35mm. If we want to create a range of devices taking into account the optimizations for each, we can therefore play on the compromises, choice of material, type and density of the porous bodies, location and distance of the electrodes, width and nature of the material thereof, additional amount of water that can surround the porous body to increase its autonomy without recharging, etc. to satisfy the power, the supply voltage, the weight, the size, the duration of life of the product, cost price, etc.
  • the water storage and vaporization device it is also possible, from the embodiment of the water storage and vaporization device, to widen the range of the wallpaper stripper by using, for example, other energy sources, for example gas , other kinds of design of the electronic device for controlling the vaporization group, and other ways of effecting its supply of water, for example by a pump withdrawing water from a container and controlled, for example, by detecting the level of vaporization current which thus affects the operation of the pump.
  • other energy sources for example gas
  • other kinds of design of the electronic device for controlling the vaporization group and other ways of effecting its supply of water, for example by a pump withdrawing water from a container and controlled, for example, by detecting the level of vaporization current which thus affects the operation of the pump.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Humidification (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Pyridine Compounds (AREA)
EP88403293A 1987-12-24 1988-12-22 Tragbare elektrische Vorrichtung zur Dampferzeugung, insbesondere zum Entfernen von Wandbekleidung Expired - Lifetime EP0323328B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88403293T ATE93306T1 (de) 1987-12-24 1988-12-22 Tragbare elektrische vorrichtung zur dampferzeugung, insbesondere zum entfernen von wandbekleidung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8718142A FR2625293B1 (fr) 1987-12-24 1987-12-24 Appareil electro-portatif pour la production de vapeur, notamment pour le decollage de revetements muraux
FR8718142 1987-12-24

Publications (2)

Publication Number Publication Date
EP0323328A1 true EP0323328A1 (de) 1989-07-05
EP0323328B1 EP0323328B1 (de) 1993-08-18

Family

ID=9358296

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88403293A Expired - Lifetime EP0323328B1 (de) 1987-12-24 1988-12-22 Tragbare elektrische Vorrichtung zur Dampferzeugung, insbesondere zum Entfernen von Wandbekleidung

Country Status (10)

Country Link
US (1) US5014337A (de)
EP (1) EP0323328B1 (de)
AR (1) AR240094A1 (de)
AT (1) ATE93306T1 (de)
AU (1) AU2907989A (de)
CA (1) CA1301815C (de)
DE (1) DE3883363T2 (de)
ES (1) ES2045171T3 (de)
FR (1) FR2625293B1 (de)
WO (1) WO1989005941A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2652543A1 (fr) * 1989-09-29 1991-04-05 Lemenn Thierry Decolleuse pour papier peint.
FR2672250A1 (fr) * 1991-02-06 1992-08-07 Cogia Procede et appareil destine a decaper une surface recouverte d'un revetement.
EP0654635A1 (de) * 1993-11-19 1995-05-24 Superba S.A. Wiederaufladbarer Dampferzeuger

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0611160A (ja) * 1992-04-30 1994-01-21 Komatsu Ltd 加湿器及びそれに使用される中空糸体
US6169852B1 (en) * 1999-04-20 2001-01-02 The Hong Kong University Of Science & Technology Rapid vapor generator
US6327426B1 (en) * 2000-10-26 2001-12-04 Ceramatec, Inc. Apparatus and method for delivering a beneficial agent

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH223896A (de) * 1942-02-28 1942-10-31 Balzer Albert Apparat mit elektrischer Beheizung zum Aufweichen alter Tapeten zwecks Entfernung derselben von den Wänden.
FR1554411A (de) * 1968-02-13 1969-01-17
FR2291048A1 (fr) * 1974-11-18 1976-06-11 Osrow Products Cy Inc Dispositif a vapeur pour decoller du papier peint
FR2595052A1 (fr) * 1986-03-03 1987-09-04 Armines Procede et dispositif de vaporisation rapide d'un liquide

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1518454A (en) * 1924-07-12 1924-12-09 Jacob P Riche Wall-paper-removing machine
US2140516A (en) * 1936-10-15 1938-12-20 Cowan Harry Electrical steam generator
US2137876A (en) * 1936-10-26 1938-11-22 Finn S Hudson Wallpaper remover
US2423945A (en) * 1944-11-03 1947-07-15 Technical Products Company Electrolytic steam pad for ironing boards
US2547865A (en) * 1947-05-17 1951-04-03 Hankscraft Co Liquid conductor heater
US2519515A (en) * 1949-10-25 1950-08-22 Thomas L Turner Electric vaporizer
US2676239A (en) * 1951-05-08 1954-04-20 Edward J Sanzone Steam-applying device
US3258578A (en) * 1963-06-14 1966-06-28 Edwin W Ferris Portable steaming device
LU76777A1 (de) * 1977-02-16 1978-10-18
GB8627734D0 (en) * 1986-11-20 1986-12-17 Black & Decker Inc Hand-held steam generating device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH223896A (de) * 1942-02-28 1942-10-31 Balzer Albert Apparat mit elektrischer Beheizung zum Aufweichen alter Tapeten zwecks Entfernung derselben von den Wänden.
FR1554411A (de) * 1968-02-13 1969-01-17
FR2291048A1 (fr) * 1974-11-18 1976-06-11 Osrow Products Cy Inc Dispositif a vapeur pour decoller du papier peint
FR2595052A1 (fr) * 1986-03-03 1987-09-04 Armines Procede et dispositif de vaporisation rapide d'un liquide

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2652543A1 (fr) * 1989-09-29 1991-04-05 Lemenn Thierry Decolleuse pour papier peint.
FR2672250A1 (fr) * 1991-02-06 1992-08-07 Cogia Procede et appareil destine a decaper une surface recouverte d'un revetement.
WO1992013727A1 (fr) * 1991-02-06 1992-08-20 Cogia Procede de decapage d'un revetement et decapeur pour la mise en ×uvre de ce procede
EP0654635A1 (de) * 1993-11-19 1995-05-24 Superba S.A. Wiederaufladbarer Dampferzeuger
FR2712668A1 (fr) * 1993-11-19 1995-05-24 Superba Sa Générateur de vapeur rechargeable.
US5602958A (en) * 1993-11-19 1997-02-11 Superba Rechargeable steam generator

Also Published As

Publication number Publication date
FR2625293A1 (fr) 1989-06-30
AU2907989A (en) 1989-07-19
EP0323328B1 (de) 1993-08-18
DE3883363D1 (de) 1993-09-23
AR240094A1 (es) 1990-01-31
ATE93306T1 (de) 1993-09-15
US5014337A (en) 1991-05-07
WO1989005941A1 (fr) 1989-06-29
DE3883363T2 (de) 1994-03-17
ES2045171T3 (es) 1994-01-16
FR2625293B1 (fr) 1990-06-01
CA1301815C (fr) 1992-05-26

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